#uterine_cervix__uterinecervix__cervix__cervix_uteri  necklike opening to the uterus
  supertype:  orifice__opening__porta  an aperture or hole opening into a bodily cavity; "the orifice into the aorta from the lower left chamber of the heart"
  part of:  uterus
  subtype:  incompetent_cervix__incompetentcervix  (obstetrics) uterine cervix that becomes dilated before term and without labor often resulting in miscarriage or premature birth

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